Energy storage lithium battery pack
By designing a movable protective box and heat dissipation structure in the lithium battery pack, the problem of poor heat dissipation in compact lithium battery packs is solved, achieving efficient heat dissipation, extended lifespan, and portability.
Patent Information
- Application Number
- CN202423188256.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-20
AI Technical Summary
In compact lithium battery packs, the small spacing between individual cells or modules leads to poor heat dissipation, affecting the performance and safety of the battery pack.
The design features a movable protective case that allows for adjustable spacing between batteries, increasing airflow space and improving heat dissipation efficiency through vents and a fan. It can also be retracted to save space when not in use.
It improves the heat dissipation efficiency of the battery pack, reduces the operating temperature, extends battery life, enhances overall performance and safety, and facilitates portability and transportation.
Smart Images
Figure CN223665534U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery technical field, specifically, relate to a kind of energy storage lithium battery pack. BACKGROUND
[0002] In the current energy storage technology field, lithium battery pack is widely used in multiple fields due to its high energy density, long cycle life and environmental protection characteristics, however, with the continuous improvement of battery pack energy density and the increasing integration, the heat generated in the use process of battery pack also increases, which puts higher challenge to the heat dissipation design of battery pack;
[0003] In some compact battery pack design, in order to maximize the use of space and reduce the overall volume, the spacing between battery monomers or battery modules is designed to be relatively small, this close arrangement improves the energy density of battery pack and the compactness of overall structure, but at the same time brings the problem of poor heat dissipation, when the battery pack runs in high load state, due to the small spacing between battery monomers or modules, heat is difficult to dissipate effectively, resulting in the increase of battery temperature. Therefore, we make improvement, and propose a kind of energy storage lithium battery pack. SUMMARY
[0004] The utility model aims at: the spacing between battery monomers or battery modules is designed to be relatively small, and the problem of poor heat dissipation exists.
[0005] In order to realize the above-mentioned utility model purpose, the utility model provides energy storage lithium battery pack to improve the above-mentioned problem.
[0006] The application is as follows:
[0007] An energy storage lithium battery pack, comprising a protective shell, the two sides of the protective shell are provided with openings, and a protective box is arranged in each opening, a second battery is arranged in each protective box, a first battery is arranged in the protective shell, and the protective box is movably arranged in the opening to increase the distance between the second battery and the first battery during use.
[0008] As a preferred technical scheme of the application, a plurality of first heat dissipation openings are formed in the protective box.
[0009] As a preferred technical scheme of the application, a plurality of limiting sliding grooves are formed in the inner wall of the protective shell, two limiting sliding blocks are slidably connected in each limiting sliding groove, and the two limiting sliding blocks are fixedly connected with the two protective boxes respectively.
[0010] As a preferred technical scheme of the application, a limiting piece is arranged between the protective shell and the two protective boxes, and the limiting piece is used for limiting the protective box.
[0011] As the preferred technical scheme of the present application, the limiting piece comprises a notch opened at the top of the protective shell, and a clamping plate is rotatably connected in the notch.
[0012] As the preferred technical scheme of the present application, the limiting piece further comprises a limiting slot opened at the top of the protective box, and one end of the clamping plate is inserted into the inner wall of the limiting slot.
[0013] As the preferred technical scheme of the present application, an auxiliary opening is opened at the top of the protective box, and the auxiliary opening is located at one side of the limiting slot.
[0014] As the preferred technical scheme of the present application, a handle is fixedly installed at the top of the protective shell, and the handle is used for carrying when the protective shell is moved.
[0015] As the preferred technical scheme of the present application, an operation panel is arranged on the front surface of the protective shell, a cooling fan is installed on the operation panel, and the cooling fan is in communication with the protective shell.
[0016] As the preferred technical scheme of the present application, a second cooling opening is further arranged on the protective shell, and the second cooling opening is located on the surface of the protective shell away from the cooling fan.
[0017] Compared with the prior art, the present application has the following beneficial effects:
[0018] In the scheme of the present application:
[0019] In order to solve the problem that the spacing between the battery monomers or battery modules is designed to be relatively small in the prior art, and the heat dissipation effect is poor, the protective box is arranged in the present application. The protective box is movable, so that the first battery and the second battery can be pulled apart according to the needs during use, thereby effectively increasing the air flow space between the first battery and the second battery. This design significantly improves the heat dissipation efficiency, effectively reduces the temperature of the battery during work, prolongs the service life of the battery, and improves the overall performance and safety of the battery pack. In the non-use state, the protective box is pushed back into the protective shell, realizing the minimization of the volume of the present application, saving storage space, and facilitating carrying and transportation. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The structure schematic view of the energy storage lithium battery pack is provided in the present application;
[0021] Figure 2 The structure schematic view of the energy storage lithium battery pack is provided in the present application; Figure 1 The enlarged structure schematic view of A in the present application;
[0022] Figure 3 The structure schematic view of the notch of the energy storage lithium battery pack is provided in the present application;
[0023] Figure 4 The top view cut structure schematic diagram of the protective box of the energy storage lithium battery pack provided in the present application is shown in the figure.
[0024] Figure 5 The structure schematic diagram of the protective box of the energy storage lithium battery pack provided in the present application is shown in the figure.
[0025] Figure 6 The structure schematic diagram of the second heat dissipation port of the energy storage lithium battery pack provided in the present application is shown in the figure.
[0026] The figure shows:
[0027] 1, protective shell; 101, handle; 102, operation panel; 2, protective box; 201, limiting sliding groove; 202, limiting sliding block; 203, first heat dissipation port; 3, first battery; 4, notch; 401, connecting shaft; 402, clamping plate; 403, limiting groove; 404, auxiliary port; 5, heat dissipation fan; 6, second battery; 7, second heat dissipation port; 8, open port. DETAILED DESCRIPTION
[0028] In order to make the person skilled in the art better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the present application.
[0029] It should be noted that, in the case of no conflict, the embodiments and the features and technical solutions in the embodiments in the present application can be combined with each other.
[0030] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0031] Embodiment 1, please refer to Figures 1-5The utility model provides a kind of energy storage lithium battery pack, including protective shell 1, both sides of the protective shell 1 are provided with open mouth 8, and protective box 2 is provided in two open mouths 8, second battery 6 is provided in two protective boxes 2, first battery 3 is provided in the protective shell 1, the protective box 2 is movably arranged in open mouth 8, to realize the increase of distance between second battery 6 and first battery 3 when using;The utility model is designed by the movable protective box 2, and first battery 3 and second battery 6 can be pulled apart as required when using, so as to effectively increase the air circulation space between first battery 3 and second battery 6, which significantly improves the heat dissipation efficiency, effectively reduces the temperature of the battery during working process, prolongs the service life of the battery, and improves the overall performance and safety of the battery pack;In non-use state, the protective box 2 is pushed back into the protective shell 1, to realize the minimization of the volume of the utility model, which saves storage space and is convenient for carrying and transporting.
[0032] Further, as shown in Figure 1 The protective box 2 is provided with a plurality of first heat dissipation openings 203, which can improve the heat exchange with the outside during use, thereby facilitating heat dissipation.
[0033] Further, as shown in Figure 4 The inner wall of the protective shell 1 is provided with a plurality of limiting sliding grooves 201, each of which is slidably connected with two limiting sliding blocks 202, and the two limiting sliding blocks 202 are fixedly connected with the two protective boxes 2, respectively. The limiting sliding groove 201 and the limiting sliding block 202 can limit the protective box 2 and prevent the protective box 2 from separating from the protective shell 1.
[0034] In embodiment 2, the energy storage lithium battery pack provided in embodiment 1 is further optimized, specifically, a limiting piece is arranged between the protective shell 1 and the two protective boxes 2, which is used for limiting the protective box 2, so as to improve the stability of the protective box 2.
[0035] Further, as shown in Figures 1-3 The limiting piece includes a notch 4 formed in the top of the protective shell 1, a clamping plate 402 is rotatably connected in the notch 4, and a connecting shaft 401 is arranged between the clamping plate 402 and the inner wall of the notch 4. The clamping plate 402 can be installed in the notch 4 through the connecting shaft 401, and the clamping plate 402 can rotate around the connecting shaft 401.
[0036] Further, as shown in Figures 2-3 The limiting piece further includes a limiting groove 403 formed in the top of the protective box 2, one end of the clamping plate 402 is inserted into the inner wall of the limiting groove 403, so that the protective box 2 can be limited when being pulled out for use, and Figure 5When the protective box 2 is pushed back into the protective shell 1, the auxiliary opening 404 can be used to limit the protective box 2, thereby improving the stability of the protective box 2 during carrying or transportation.
[0037] Further, as shown in Figure 3 the auxiliary opening 404 is provided on the top of the protective box 2, and the auxiliary opening 404 is located on one side of the limiting groove 403, so that the user's fingers can be buckled in, thereby facilitating the outward pulling of the protective box 2.
[0038] In embodiment 3, the energy storage lithium battery pack provided in embodiment 1 or 2 is further optimized, and specifically, as shown in Figure 1 the handle 101 is fixedly installed on the top of the protective shell 1, and the handle 101 is used for hand carrying when the protective shell 1 is moved, thereby facilitating carrying.
[0039] Further, as shown in Figure 1 the operation panel 102 is provided on the front of the protective shell 1, the heat dissipation fan 5 is installed on the operation panel 102, and the heat dissipation fan 5 is in communication with the protective shell 1, the heat dissipation fan 5 is provided to improve the heat dissipation effect during use of the application, the operation panel 102 has a control mainboard, a charging interface and a power consumption interface, the charging interface and the power consumption interface are connected with the control mainboard, the second battery 6 and the first battery 3 are electrically connected with the control mainboard through a cable, the cable connection mode does not affect the electrical connection between the second battery 6 and the control mainboard when the second battery 6 moves, the second battery 6 and the first battery 3 supply power to the outside through the power consumption interface, and the second battery 6 and the first battery 3 are charged through the charging interface, and the application is mainly applied to outdoor activities, such as camping.
[0040] For the heating elements on the control mainboard, the existing heat sink is arranged on the control mainboard.
[0041] Further, as shown in Figure 6 the second heat dissipation opening 7 is further arranged on the protective shell 1, and the second heat dissipation opening 7 is located on the side of the protective shell 1 away from the heat dissipation fan 5, and the heat dissipation fan 5, the second heat dissipation opening 7 and the first heat dissipation opening 203 cooperate with each other to dissipate heat during use.
[0042] The use process of the energy storage lithium battery pack is as follows:
[0043] When carrying, the clamping plate 402 is rotated to separate the clamping plate 402 from the limiting groove 403, the protective box 2 is pushed into the protective shell 1, and then the clamping plate 402 is rotated downward to clamp the clamping plate 402 on the outer side of the top of the protective box 2, so as to limit the protective box 2, that is, as shown in Figure 5 at this time, the overall volume is reduced to facilitate carrying;
[0044] In use, the card plate 402 is rotated to separate the card plate 402 from the protection box 2, the fingers are buckled into the auxiliary port 404 and the protection box 2 is pulled to the outside of the protection shell 1, and then the card plate 402 is rotated downward to be inserted into the limiting groove 403, that is, as shown in the figure, at this time, the spacing between the second battery 6 and the first battery 3 is increased to improve the heat dissipation effect. Figure 1
[0045] In the present application, unless otherwise clearly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0046] Obviously, the above-described embodiments are only part of the embodiments of the present application, not all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitutions for some technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.
Claims
1. An energy storage lithium battery pack, characterized in that, Including the protective shell (1), both sides of the protective shell (1) are provided with an open mouth (8), and the two open mouths (8) are provided with a protective box (2), the second battery (6) is arranged in the two protective boxes (2), the first battery (3) is arranged in the protective shell (1), the protective box (2) is movably arranged in the open mouth (8), so that the distance between the second battery (6) and the first battery (3) is increased when in use.
2. The energy storage lithium battery pack of claim 1, wherein, A plurality of first heat dissipation openings (203) are formed in the protective box (2).
3. The energy storage lithium battery pack of claim 1, wherein, A plurality of limiting sliding grooves (201) are formed in the inner wall of the protective shell (1), two limiting sliding blocks (202) are slidably connected in each limiting sliding groove (201), and the two limiting sliding blocks (202) are fixedly connected with the two protective boxes (2) respectively.
4. The energy storage lithium battery of claim 1, wherein, The protective shell (1) and the two protective boxes (2) are provided with limiting pieces, and the limiting pieces are used for limiting the protective boxes (2).
5. The energy storage lithium battery of claim 4, wherein, The limiting piece comprises a notch (4) formed in the top of the protective shell (1), the notch (4) is rotatably connected with a clamping plate (402), and the clamping plate (402) and the inner wall of the notch (4) are provided with a connecting shaft (401).
6. The energy storage lithium battery of claim 5, wherein, The limiting piece further comprises a limiting groove (403) formed in the top of the protective box (2), and one end of the clamping plate (402) is inserted into the inner wall of the limiting groove (403).
7. The energy storage lithium battery of claim 6, wherein, An auxiliary opening (404) is formed in the top of the protective box (2), and the auxiliary opening (404) is located on one side of the limiting groove (403).
8. The energy storage lithium battery of claim 1, wherein, A handle (101) is fixedly installed on the top of the protective shell (1), and the handle (101) is used for carrying the protective shell (1) when moving.
9. The energy storage lithium battery of claim 1, wherein, An operation panel (102) is arranged on the front of the protective shell (1), a heat dissipation fan (5) is installed on the operation panel (102), and the heat dissipation fan (5) is in communication with the protective shell (1).
10. The energy storage lithium battery of claim 9, wherein, The protective shell (1) is further provided with a second heat dissipation opening (7), and the second heat dissipation opening (7) is located on the side of the protective shell (1) away from the heat dissipation fan (5).